Global Patent Index - EP 0878012 B1

EP 0878012 B1 20010718 - CLEANING RADIOACTIVELY CONTAMINATED MATERIAL

Title (en)

CLEANING RADIOACTIVELY CONTAMINATED MATERIAL

Title (de)

REINIGUNG VON RADIOAKTIV CONTAMINIERTEM MATERIAL

Title (fr)

NETTOYAGE DE MATIERE AYANT SUBI UNE CONTAMINATION RADIOACTIVE

Publication

EP 0878012 B1 20010718 (EN)

Application

EP 97901711 A 19970129

Priority

  • GB 9700253 W 19970129
  • GB 9601956 A 19960131

Abstract (en)

[origin: WO9728539A1] Radioactively contaminated material is cleaned by placing the material in a permeable container, such as a bag, and inserting the container into an apertured, rotatable vessel. The material is then subjected within the rotating vessel to a leaching cycle, using nitric acid, and a washing cycle, using fresh water. Preferably, at least one further washing cycle is employed. After discharging the washing liquid, the material is subjected to a spin-drying operation. The material undergoing cleaning is a filter medium which includes a glass component.

IPC 1-7

G21F 9/28; G21F 9/30

IPC 8 full level

G21F 9/28 (2006.01); G21F 9/30 (2006.01)

CPC (source: EP KR US)

G21F 9/28 (2013.01 - EP KR US); G21F 9/30 (2013.01 - EP KR US)

Designated contracting state (EPC)

BE DE ES FR GB SE

DOCDB simple family (publication)

WO 9728539 A1 19970807; AU 1552097 A 19970822; AU 710222 B2 19990916; CA 2243971 A1 19970807; DE 69705704 D1 20010823; DE 69705704 T2 20020613; EP 0878012 A1 19981118; EP 0878012 B1 20010718; ES 2159107 T3 20010916; GB 9601956 D0 19960403; JP 2000504109 A 20000404; KR 19990081873 A 19991115; RU 2166809 C2 20010510; UA 44350 C2 20020215; US 6117248 A 20000912; ZA 97833 B 19970801

DOCDB simple family (application)

GB 9700253 W 19970129; AU 1552097 A 19970129; CA 2243971 A 19970129; DE 69705704 T 19970129; EP 97901711 A 19970129; ES 97901711 T 19970129; GB 9601956 A 19960131; JP 52740897 A 19970129; KR 19980705584 A 19980722; RU 98116748 A 19970129; UA 98084639 A 19970129; US 11750398 A 19980730; ZA 97833 A 19970131